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A+ > Chapter’s 11, &12 > Flashcards

Chapter’s 11, &12 Flashcards

1
Q

You are troubleshooting a Mac running macOS. Intermittently, the computer will completely lock up and display a rotating pinwheel instead of the mouse cursor. It happens when different applications are running. What is most likely causing this problem?

Faulty application
Motherboard
RAM
CPU

A

RAM

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2
Q

Which device can be used to troubleshoot a motherboard that powers on but never gets to loading the operating system?

POST master
BIOS investigator
BIOS diagnostics
POST card

A

POST card

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3
Q

What is the final step in the troubleshooting process?

Verify functionality
Identify the problem
Establish a theory
Document findings

A

Document findings

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4
Q

You have just upgraded the RAM in a desktop computer. After you power on the computer, no video appears on the screen, and the computer produces a series of three long beeps. What does this indicate?

The system BIOS detected an error in the POST routine.
The BIOS is faulty.
The system BIOS completed the POST routine normally.
The motherboard needs to be replaced.

A

The system BIOS detected an error in the POST routine.

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5
Q

You’re troubleshooting a computer that the user says shuts down after 10 minutes, every time they start the computer. If they wait a few minutes and restart it, the same thing happens. What is most likely the problem?

RAM
Processor
Motherboard
Hard drive

A

Processor

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6
Q

A user complains that sometimes their computer will not open files, and it happens in different programs. Which component is most likely to cause this problem?

Motherboard
HDD
RAM
CPU

A

HDD

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7
Q

What will cause a computer to forget the time and date after it’s been powered off?

Failed motherboard
Incorrect POST settings
Corrupted BIOS
Failed CMOS battery

A

Failed CMOS battery

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8
Q

You are troubleshooting a computer that will not boot. It tells you that there is no bootable device. You check the BIOS, and it does not show any installed hard drives. What should you do next?

Flash the BIOS.
Replace the hard drive with an external drive.
Check the hard drive connections.
Run bootrec /fixmbr.

A

Check the hard drive connections.

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9
Q

Which of the following is not part of identifying the problem in the best practice methodology?

Question the user
Review system and application logs
Inquire regarding infrastructure changes
Conduct research based on the symptoms

A

Conduct research based on the symptoms

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10
Q

Within the Windows environment, certain lockups are referred to as the Blue Screen of ______.

Trouble
Error
Life
Death

A

Death

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11
Q

You have been troubleshooting a computer, and you believe the power supply has failed. Which of the following tools can you use to test the integrity of the power supply? (Choose two.)

Loopback plugs
Power supply tester
POST card
Multimeter

A

Power supply tester , Multimeter

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12
Q

Lately your friend’s phone hasn’t been charging very well from the wall outlet. It charges very slowly, if at all. Once it’s charged it seems to work OK, but when they connect it to their laptop, the laptop doesn’t recognize the phone. What will you try first to remedy the situation?

Spray a port cleaning solution into the phone.
Check for debris in the charging port.
Replace the charger block and cord.
Replace the phone battery.

A

Check for debris in the charging port.

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13
Q

Within Windows, a physical memory error might show up as which of the following problems?

Windows protection error
No errors will occur
General protection fault
Illegal operation

A

General protection fault

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14
Q

A computer that frequently reboots on its own. What should you do as part of the first step in troubleshooting?

Question the obvious
Conduct internal or external research based on symptoms
Review system and application logs
Document findings and actions

A

Review system and application logs

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15
Q

You have an OLED display that you just plugged into a desktop computer. One of your coworkers changes the resolution from 1920×1080 to 1920×1200, but then the image looks highly distorted. What is the most likely cause of this?

The monitor is plugged into the wrong display interface to support the new resolution.
The video driver does not support 1920×1200 resolution.
The video adapter has a native resolution of 1920×1080.
The display has a native resolution of 1920×1080.

A

The display has a native resolution of 1920×1080.

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16
Q

A laser printer you are working with consistently produces images with white streaks running down the page. What can you do first to resolve this issue?

Clean the EP drum.
Clean the fusing assembly.
Clean the transfer corona wires.
Gently shake or replace the toner cartridge.

A

Gently shake or replace the toner cartridge.

17
Q

What causes a laser printer to print vertical black lines on documents?

There is toner on the transfer corona wire.
There is a scratch on the EP drum.
The fuser is not heating properly.
The printer driver is faulty.

A

There is a scratch on the EP drum.

18
Q

A user calls to report that they can’t access the Internet or any other network resources. The IP address on their computer is 169.254.1.102. Which of the following is most likely to have caused this?

Unable to reach a DNS server
Unable to reach a DHCP server
Unable to read the local host configuration file
Unable to reach the default gateway

A

Unable to reach a DHCP server

19
Q

Within the last five minutes, several users in one part of the building have called in to report that they have lost their network connection. The connection had been working earlier in the day. What is most likely the cause of the problem?

Incorrect TCP/IP configuration
Faulty switch
Faulty network card drivers
Bad network cable

A

Faulty switch

20
Q

Which of the following laser printer components are most likely to cause a burn?

Refuser
Drum
Corona wire
Fuser

A

Fuser

21
Q

A laptop you are working on has several dead pixels on the display. How can you fix this?

Delete and reinstall the video driver
Replace the display
Degauss the display
Decrease the resolution

A

Replace the display

22
Q

A guest presenter plugs an external projector into their laptop using the HDMI port on the back of the laptop. They then use the Fn key and video toggle switch; the projector displays the presentation, but the laptop screen goes dark. What should they do if they want to see the presentation on both the projector and the laptop?

Install a second video driver and then use the video toggle key to switch the video output to both screens.
Press the video toggle key again until the presentation is shown on both screens.
Unplug the projector and plug it back in to synchronize it with the laptop.
Unplug the projector, use the video toggle key to switch the video output, and then plug the projector back in.

A

Press the video toggle key again until the presentation is shown on both screens.

23
Q

You are troubleshooting a laptop with an integrated wireless networking card. The user reports that the laptop will not connect to the Internet. When you look at the network activity lights, the connection and activity lights alternate blinking, in a steady pattern. What is the most likely cause of the problem?

No network connection
Failed network card
Unable to reach a DNS server
Incorrect TCP/IP configuration

A

No network connection

24
Q

Using a multimeter, what reading should you get from pin 9 on a laser printer?

–5V
+5V
+24V
–24V

A

+24V

25
Q

On a laser printer, the printed characters on the left side of documents are faint compared to the letters on the right. How can you quickly resolve this problem?

Use different paper.
Blow the excess dust out of the cartridge.
Print your documents backward.
Shake the toner cartridge.

A

Shake the toner cartridge.

26
Q

A user calls to report that they can’t access the Internet or a corporate server. However, they are still able to print to a printer nearby. They have not received any error messages. Other users in the area are also unable to access the Internet. What is most likely the problem?

Incorrect subnet mask
Network card failure
IP address conflict
Default gateway down

A

Default gateway down

27
Q

The laser printer in your office recently started creasing papers and producing paper jams. Which of the following are likely to cause these problems? (Choose three.)

Damaged rollers
Paper tension settings
Bits of paper in the paper path
Using the wrong paper

A

Damaged rollers
Bits of paper in the paper path
Using the wrong paper

28
Q

Which of the following components in a laser printer is responsible for transferring toner from the drum to the paper?

Development wire
Fuser
Transport corona
Transfer corona

A

Transfer corona

29
Q

You are troubleshooting network connectivity issues in one section of the building. After a few hours, you come to the conclusion that the network cables in the wiring closet must be mislabeled. Which tool is most appropriate to test your theory?

Cable tester
Multimeter
Punchdown tool
Tone generator and probe

A

Tone generator and probe

30
Q
A

A+ (5 decks)

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